diff --git a/src/gameobjects/Sprite.js b/src/gameobjects/Sprite.js
index 7e100c84..a4c14556 100644
--- a/src/gameobjects/Sprite.js
+++ b/src/gameobjects/Sprite.js
@@ -903,9 +903,11 @@ Object.defineProperty(Phaser.Sprite.prototype, "exists", {
         {
             //  exists = false
             this._cache[6] = 0;
+                console.log('exists false');
 
             if (this.body)
             {
+                console.log('exists false remove from world');
                 this.body.removeFromWorld();
             }
 
diff --git a/src/physics/Body.js b/src/physics/Body.js
index 2e0727ae..b272a274 100644
--- a/src/physics/Body.js
+++ b/src/physics/Body.js
@@ -532,7 +532,7 @@ Phaser.Physics.Body.prototype = {
     */
     addToWorld: function () {
 
-        if (this.data.world !== this.game.physics)
+        if (this.data.world !== this.game.physics.world)
         {
             this.game.physics.addBody(this);
         }
@@ -546,9 +546,9 @@ Phaser.Physics.Body.prototype = {
     */
     removeFromWorld: function () {
 
-        if (this.data.world === this.game.physics)
+        if (this.data.world === this.game.physics.world)
         {
-            this.game.physics.removeBody(this.data);
+            this.game.physics.removeBody(this);
         }
 
     },
diff --git a/src/physics/World.js b/src/physics/World.js
index 5b8578e2..427e38c6 100644
--- a/src/physics/World.js
+++ b/src/physics/World.js
@@ -208,11 +208,15 @@ Phaser.Physics.World.prototype = {
         if (event.bodyA.id > 1 && event.bodyB.id > 1)
         {
             console.log('impactHandler');
+            console.log(event);
             console.log(event.bodyA.parent.sprite.key);
-            console.log(event.bodyB.parent.sprite.key);
-        }
 
-        event = {};
+            if (event.bodyB.parent.sprite.key == 'box')
+            {
+                console.log(event.bodyB.parent.sprite.key + ' KILLED');
+                event.bodyB.parent.sprite.kill();
+            }
+        }
 
     },